I've owned the IBeats, Monster Jams, and the Turbines. All of of them sound amazing while they work, but they WILL eventually stop working. I had the same issue several times with them, after a few months, one of the earbuds would stop working. I was working at best Buy during this time and made sure to get the replacement plan on each one. But having to exchange them constantly just wasn't worth it after a while. I figured the turbines would be better than the other two due to the higher cost...wasn't the case.
They're all built solidly and were quite heavy due to the (metal) construction. Very bassy, which I liked, and had overall pleasing sound. But the constant ear bud going out issue that seems to plague Monster buds was too much.
That's when I ordered my Klipsch s4is...
Perhaps you'll have better luck than I did.
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